目前共有 13 家機構持有 AMPX-WS，以下依持股市值由高至低排序。
| 主要持有機構 | 總市值 | 平均佔比 |
|---|---|---|
| LMR Partners LLP | US$3084.5萬 | 0.07% |
| ARISTEIA CAPITAL, L.L.C. | US$835.0萬 | 0.17% |
| BOOTHBAY FUND MANAGEMENT, LLC | US$792.4萬 | 0.10% |
| Caption Management, LLC | US$745.0萬 | 0.04% |
| CSS LLC/IL | US$518.6萬 | 0.25% |
| Hudson Bay Capital Management LP | US$509.6萬 | 0.02% |
| DRW Securities, LLC | US$230.3萬 | 0.03% |
| WOLVERINE ASSET MANAGEMENT LLC | US$146.5萬 | 0.01% |
| Janney Montgomery Scott LLC | US$108.8萬 | 0.00% |
| ZAZOVE ASSOCIATES LLC | US$53.0萬 | 0.06% |
| Warberg Asset Management LLC | US$43.4萬 | 0.07% |
| D. E. Shaw & Co., Inc. | US$20.3萬 | 0.00% |
| Farther Finance Advisors, LLC | US$12.0 | 0.00% |